{"product_id":"rhg-1-30-1-81-gemstone-refractometer-jewelry-emerald-zircon-testing-tool","title":"RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool","description":"\u003c!--M_96613636#s0-2--\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/ir.ebaystatic.com\"\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/secureir.ebaystatic.com\"\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/i.ebayimg.com\"\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/rover.ebay.com\"\u003e\u003clink rel=\"preload\" fetchpriority=\"high\" href=\"https:\/\/ir.ebaystatic.com\/cr\/v\/c1\/market-sans\/v1.0\/MarketSans-Regular-WebS.woff2\" as=\"font\" type=\"font\/woff2\"\u003e\u003cstyle nonce=\"4zuLjAFmdU\/eh18uFIXncA==\"\u003e\n            body {\n                font-family: 'Market Sans', Arial, sans-serif;\n            }\n        \u003c\/style\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1\"\u003e\u003ctitle\u003eeBay\u003c\/title\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/vendor-ebayui-core-fWh5LWhY.css\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/tracking-interactions-DaZdnrm-.css\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_page-OKm634qT.css\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/style-De_TpA1z.css\"\u003e\u003c!--M_96613636^s0-2-12 s0-2 12--\u003e\u003cdiv data-marko-key=\"@container s0-2-12\" class=\"x-item-description-child\" data-testid=\"x-item-description-child\"\u003e\n\u003ch1\u003e Gemstone Refractometer 1.30–1.73 RI – Jewelry \u0026amp; Gem Testing Tool\u003c\/h1\u003e\n\u003cp\u003eIdentify and examine gemstones with this \u003cstrong\u003eGemstone Refractometer\u003c\/strong\u003e, designed for measuring the \u003cstrong\u003erefractive index (RI)\u003c\/strong\u003e of gemstones and other solid materials.\u003c\/p\u003e\n\u003cp\u003eWith a compact design, built-in LED illumination, and a \u003cstrong\u003e1.30–1.73 RI measurement range\u003c\/strong\u003e, this tool is convenient for gemstone and jewelry testing applications.\u003c\/p\u003e\n\u003ch2\u003e⭐ Key Features\u003c\/h2\u003e\n\u003cp\u003e \u003cstrong\u003eGemstone RI Testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eDesigned to measure the refractive index of gemstones and solid materials.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMeasurement range: \u003cstrong\u003e1.30–1.73 RI\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAccuracy: \u003cstrong\u003e±0.002 RI\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eGemstone Identification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eSuitable for examining gemstones with different refractive index characteristics.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDesigned to assist with identifying \u003cstrong\u003esingle and double refractive materials\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eLED Illumination\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eIncludes an LED light source for convenient viewing during testing.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePowered by an \u003cstrong\u003eAA battery\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eRefractive Oil Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eIncludes \u003cstrong\u003e3ml refractive oil\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eOil refractive index: \u003cstrong\u003e1.78\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eLightweight design makes it convenient to carry and store.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSuitable for workshops, jewelry workspaces, and gemstone examination.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e️ \u003cstrong\u003eSimple Operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\u003cp\u003eDesigned for straightforward handling and convenient gemstone testing.\u003c\/p\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003e\n\u003cbr\u003e Suitable For\u003c\/h2\u003e\n\u003cp\u003eThis refractometer can be useful for:\u003c\/p\u003e\n\u003cp\u003e Gemstone examination\u003cbr\u003e Jewelry-related applications\u003cbr\u003e Refractive index testing\u003cbr\u003e Solid material testing\u003cbr\u003e️ Gemstone workshops and workspaces\u003cbr\u003e Gemology learning and practical examination\u003c\/p\u003e\n\u003ch2\u003e Package Contents\u003c\/h2\u003e\n\u003cp\u003e \u003cstrong\u003e1 × Gemstone Refractometer\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e1 × LED Flashlight\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e1 × 3ml Refractive Oil (RI 1.78)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eℹ️ Important Notes\u003c\/h3\u003e\n\u003cp\u003e Refractive index readings can depend on the testing method, gemstone surface, calibration, lighting, and other conditions. Use the instrument according to the manufacturer's instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c!--M_96613636\/--\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_DAXXjFlN.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_Cj8E1vmD.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_879Fjmj3.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_CAjUtFyq.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_CoQgPjKq.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_C7MnvWcX.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_C3gsZeIJ.js\"\u003e\u003clink nonce=\"4zuLjAFmdU\/eh18uFIXncA==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_5r4MXvx4.js\"\u003e\u003c!--M_96613636\/--\u003e\u003c!-- RcmdId videsc,RlogId t6q4pnmjbb%60jhs9%3Ft6ulhhg%60ehmq%2Bq1(1aegde%6012*w%60ut70%2Bem%3Cra-1a12192b0eb-0x906 --\u003e\u003c!-- SiteId: 0, Environment: production, AppName: r1vinode, PageId: 4487351 --\u003e","brand":"Buy Our Tea","offers":[{"title":"Default Title","offer_id":67843263824153,"sku":null,"price":215.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1887\/0297\/files\/s-l1600_0f2c4493-a9a3-4433-be5a-f5f28709e105.jpg?v=1792342410","url":"https:\/\/buyourtea.com\/products\/rhg-1-30-1-81-gemstone-refractometer-jewelry-emerald-zircon-testing-tool","provider":"Buy Our Tea","version":"1.0","type":"link"}